Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is cogging in motors?

1 6063

What is the function of RCCB? What are the different sensitivity ratings & each application?

Wipro,

6 35167

What are the details of ratings of different types of ACSR conductors?

2 9755

Which type of DC generator is used for electric welding purposes and why?

1 5544

i applied for the ap transco please forward the freqventley asked QA

1966

Amoung all classes of electric machines, why the transformer uses oil as one medium of cooling?

4 7585

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

2 5904

we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

1 3659

What is the difference between MPCB and OLR?

ABB, Raj Agencies,

11 59562

in three pin plug point, whats the reason that one plug point is bigger in size

4 6932

how to calculate cable bending angle in a trench?

Eastern Cement,

2 11372

give me the details of anti pumping relay

2 5247

what are the main hormonics in ac?

1 2622

what is use of substation? Any book on how to instal or construction of substations?

Siemens,

6 13630

How many losses in generators? how we can reduce them? and also in motors,transformers?

1 2701

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Un-Answered Questions { Electrical Engineering }

all interview questions with answers of ntpc (2000-2009

2179

where lt & ht capacitor used

2187

What is the current carrying capacity of 0SWG,3SWG,10 & 12 SWG solid bare overhead copper conductors?

3408

WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?

6290

in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

1780

i am venkat i got gre 930(verbal 270 quanta 660) and my toefl score 105..here question is why u got less score in gre ? what i supposed to tell...any chance of rejection is there...my accadamics record is very good

2121

Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?

2497

What is the difference between electronic regulator and ordinary electrical rheostat regulator for fans?

1068

What is difference between safe PLC and normal PLC

1557

What is the operating principle of turbo-generator.

2285

Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1850

As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.

1641

How to decide DO set rating of Transformer?

1624

What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

1612

what are the industrail measures to over ferranti effect? how would the ferranti effect the power system if those remedial mearsure arent taken? how often does this effect occurs in real power system?

2102

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